Catholic Church. Pope (1922-1939 : Pius XI) & Pius XI, P. (1936). Encyclical letter of His Holiness Pope Pius XI on motion pictures. St. Paul Editions.
Chicago Style (17th ed.) CitationCatholic Church. Pope (1922-1939 : Pius XI) and Pope Pius XI. Encyclical Letter of His Holiness Pope Pius XI on Motion Pictures. Boston, MA: St. Paul Editions, 1936.
MLA (8th ed.) CitationCatholic Church. Pope (1922-1939 : Pius XI) and Pope Pius XI. Encyclical Letter of His Holiness Pope Pius XI on Motion Pictures. St. Paul Editions, 1936.
Warning: These citations may not always be 100% accurate.